Sector Accounting firms

DNS filtering for accounting firms

Protect office browsing from phishing, malware, and inappropriate websites. Control categories, allow required systems, and apply policies by department.

  • ✓ Block malicious domains before access.
  • ✓ Allow required accounting, tax, and finance systems.
  • ✓ Apply policies by department, location, or device.
Equipe de escritório contábil usando sistemas online com proteção DNS contra phishing e sites maliciosos.

Challenges in accounting routines

Why do accounting firms need DNS filtering?

Banks, tax portals, cloud systems, emails, and client documents are part of accounting routines. DNS filtering helps reduce risks without blocking the tools needed for work.

1

Phishing and fake pages

Malicious links can imitate banks, tax portals, and email services to steal credentials.

2

Malware and dangerous downloads

Malicious domains can distribute malware, ransomware, and files that compromise devices and data.

3

Many systems and exceptions

Each department uses different tools. Policies must protect the network without disrupting work.

How does Lumiun DNS protect your accounting office?

Lumiun DNS filters DNS queries to reduce access to malicious domains, control categories, and maintain browsing policies through centralized management.

DNS protection.
Helps block domains associated with phishing, malware, and other known threats.
Flexible policies.
Applies rules by department, location, or device, with blocklists and allowlists.
Centralized management.
Centralizes policies, devices, and reports in a cloud dashboard.

Try for free

Learn more about access policies and browsing reports.

Free material for accounting firms

Security guide for accounting firms during 2026 income tax filing

Prepare your team for income tax filing season with practical guidance to reduce risks, protect data, and keep operations secure.

  • Main scams that can target accounting firms during income tax filing.
  • Security checklist to protect data and access.
  • Guidance on what to do after an incident.
Download the free guide

Free material developed by Lumiun for accounting firms.

Cover of the Security e-book for Accounting Firms during 2026 income tax filing.

Content to explore further

Learn more about security and DNS filtering

Visit Lumiun pages and Blog articles to understand risks and choose the right controls for your office.

FAQ

Frequently asked questions about DNS filtering for accounting firms

Direct answers to common questions from partners, managers, and IT leaders at accounting firms.

It is a solution that analyzes domain queries and helps block dangerous or inappropriate websites, control categories, and apply rules by department, location, or device.

Lumiun DNS helps block domains associated with known threats before the website loads. It complements training, MFA, email security, antivirus, and other layers.

Yes. The office can use allowlists to allow required domains, even when a broader category is blocked.

Yes. Policies can be applied by location, group, or device. Each department can receive rules that match its routine.

ActiveNet helps maintain policies on Windows devices outside the corporate network. The agent must be installed and configured correctly.

No. Lumiun DNS works at the DNS layer and complements antivirus, firewall, EDR, and security processes. No isolated tool guarantees LGPD compliance.

Protect your accounting office browsing

Start for free and evaluate how Lumiun DNS can help your team reduce risks, control categories, and allow the systems it needs.

Illustration of a sign-up protected by a digital security shield.